package com.zjw.service.impl;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import com.zjw.annotation.domain.ResponseResult;
import com.zjw.enums.AppHttpCodeEnum;
import com.zjw.service.UploadService;
import com.zjw.utils.PathUtils;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

@Service
@Data
@ConfigurationProperties(prefix = "oss")
public class UploadServiceImpl implements UploadService {


    private String accessKey;

    private String secretKey;

    private String bucket;

    private String domain;


    @Override
    public ResponseResult uploadImg(MultipartFile img) {


//        判断文件类型
        String fileName = img.getOriginalFilename();
        if (!(fileName.endsWith(".png") || fileName.endsWith(".jpg") || fileName.endsWith(".jpeg"))) {
            return ResponseResult.errorResult(AppHttpCodeEnum.FILE_TYPE_ERR);
        }

//        上传
        String res = imgSave(img);
        if (res.equals("err")) {
            return ResponseResult.errorResult(AppHttpCodeEnum.SYSTEM_ERROR);
        }
        return ResponseResult.okResult(res);
    }

    private String imgSave(MultipartFile img) {
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.autoRegion());
        cfg.resumableUploadAPIVersion = Configuration.ResumableUploadAPIVersion.V2;// 指定分片上传版本
//...其他参数参考类注释

        UploadManager uploadManager = new UploadManager(cfg);


//默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = PathUtils.generateFilePath(img.getOriginalFilename());

        try {

            Auth auth = Auth.create(accessKey, secretKey);
            String upToken = auth.uploadToken(bucket);

            try {
                Response response = uploadManager.put(img.getInputStream(), key, upToken, null, null);
                //解析上传成功的结果
                DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
                return domain + key;
            } catch (QiniuException ex) {
                ex.printStackTrace();
                if (ex.response != null) {
                    System.err.println(ex.response);
                    try {
                        String body = ex.response.toString();
                        System.err.println(body);
                    } catch (Exception ignored) {
                    }
                }
            }
        } catch (Exception ex) {
            //ignore
            System.out.println(accessKey);
        }
        return "err";
    }

}
